Fuel cell is a kind of new power source which has advantages of high energy density, clean and quiet. To overcome the disadvantages of fuel cell such as low energy density and low response speed, hybrid structure including fuel cell and battery is often used. In this paper, a novel control strategy is proposed for the DC/DC converter which converts power from fuel cell to load. This new strategy is simple and suitable for many applications. A circuit with detailed analysis, experiment data are shown in the paper.